{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x40f2001cdf955d19835fb54da5130f7b7785f6e40a922253452e49bcf7591431",
    "signature": "0xc2722b202e80995fed57d517c138794095f925c09337652765240353b51a6a646130ca3feabf01b59a71cdb320451083716fd79217878b33bb91874cffacf4891c",
    "signer": "0x47D0812226093412F9Ce50Dbbe1ac48Eaa5c5BeE",
    "userId": "61400347"
  }
}